LH Response To GnRH

Cells That Produce Testosterone in the Testes

Testosterone is an androgen, or male hormone. Males begin producing testosterone early in life---fetuses of only a few weeks gestational age make testosterone, which affects their physical and mental development. At puberty, testosterone...

Hormones in Male Reproductive Systems

The male reproductive system depends upon the action of many different hormones or chemicals, produced by various body glands and enter systemic circulation. Some of these hormones, called "tropic" hormones, cause other hormones to release. Other...